<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>图书购物车案例</title>
    <link rel="stylesheet" href="style.css" />
  </head>
  <body>
    <div id="app">
      <div v-if="books.length">
        <table>
          <tr>
            <th></th>
            <th>书籍名称</th>
            <th>出版日期</th>
            <th>价格</th>
            <th>购买数量</th>
            <th>操作</th>
          </tr>

          <tr v-for="(item,index) in books">
            <td>{{item.id}}</td>
            <td>{{item.name}}</td>
            <td>{{item.data}}</td>
            <!-- <td>{{getFinalPrice(item.price)}}</td> -->
            <td>{{item.price | showPrice}}</td>
            <td>
              <button @click="dec(index)" v-bind:disabled="item.count <=1">
                -
              </button>
              {{item.count}}
              <button @click="add(index)">+</button>
            </td>
            <td>
              <button @click="removeClick(index)">移出</button>
            </td>
          </tr>
        </table>
        <h2>总价格：{{totalPrice | showPrice}}</h2>
      </div>
    </div>
    <script src="../vue.js"></script>
    <script src="main.js"></script>
  </body>
</html>
